Device component - OpticalTfs driver: (64ba4d8e) · Commits · TFS / controller

src/device/service/drivers/optical_tfs/OpticalTfsDriver.py

+12 −18

Original line number	Diff line number	Diff line
		@@ -20,7 +20,7 @@ from common.type_checkers.Checkers import chk_string, chk_type
		from device.service.driver_api._Driver import _Driver, RESOURCE_ENDPOINTS, RESOURCE_SERVICES
		from device.service.driver_api.ImportTopologyEnum import ImportTopologyEnum, get_import_topology
		from .TfsApiClient import TfsApiClient
		from .TfsOpticalClient import TfsOpticalClient
		#from .TfsOpticalClient import TfsOpticalClient

		LOGGER = logging.getLogger(__name__)

		@@ -46,10 +46,10 @@ class OpticalTfsDriver(_Driver):
		self.address, self.port, scheme=scheme, username=username,
		password=password, timeout=timeout
		)
		self.toc = TfsOpticalClient(
		self.address, int(self.port), scheme=scheme, username=username,
		password=password, timeout=timeout
		)
		#self.toc = TfsOpticalClient(
		# self.address, int(self.port), scheme=scheme, username=username,
		# password=password, timeout=timeout
		#)

		# Options are:
		# disabled --> just import endpoints as usual
		@@ -99,8 +99,7 @@ class OpticalTfsDriver(_Driver):
		results.extend(self.tac.get_devices_endpoints(self.__import_topology))
		elif resource_key == RESOURCE_SERVICES:
		# return all services through
		#results.extend(self.toc.get_lightpaths())
		pass
		results.extend(self.tac.get_services())
		else:
		MSG = 'ResourceKey({:s}) not implemented'
		LOGGER.warning(MSG.format(str(resource_key)))
		@@ -123,13 +122,11 @@ class OpticalTfsDriver(_Driver):
		resource_key, resource_value = resource
		try:
		resource_value = json.loads(resource_value)
		src_node = resource_value['src_node']
		dst_node = resource_value['dst_node']
		bitrate = resource_value['bitrate' ]
		results.extend(self.toc.add_lightpath(src_node, dst_node, bitrate))
		self.tac.setup_service(resource_value)
		results.append((resource_key, True))
		except Exception as e:
		LOGGER.exception('Unhandled error processing resource_key({:s})'.format(str(resource_key)))
		MSG = 'Unhandled error processing resource_key({:s})'
		LOGGER.exception(MSG.format(str(resource_key)))
		results.append((resource_key, e))
		return results

		@@ -146,14 +143,11 @@ class OpticalTfsDriver(_Driver):
		resource_key,resource_value = resource
		try:
		resource_value = json.loads(resource_value)
		flow_id = resource_value['flow_id' ]
		src_node = resource_value['src_node']
		dst_node = resource_value['dst_node']
		bitrate = resource_value['bitrate' ]
		self.toc.del_lightpath(flow_id, src_node, dst_node, bitrate)
		self.tac.teardown_service(resource_value)
		results.append((resource_key, True))
		except Exception as e:
		LOGGER.exception('Unhandled error processing resource_key({:s})'.format(str(resource_key)))
		MSG = 'Unhandled error processing resource_key({:s})'
		LOGGER.exception(MSG.format(str(resource_key)))
		results.append((resource_key, e))
		return results

src/device/service/drivers/optical_tfs/TfsApiClient.py

+135 −10

Original line number	Diff line number	Diff line
		@@ -12,14 +12,22 @@
		# See the License for the specific language governing permissions and
		# limitations under the License.

		import logging, requests
		from typing import Dict, List, Optional
		import logging
		from typing import Dict, List, Optional, Tuple
		from common.Constants import DEFAULT_CONTEXT_NAME, DEFAULT_TOPOLOGY_NAME
		from common.proto.context_pb2 import ServiceStatusEnum, ServiceTypeEnum
		from common.tools.client.RestClient import RestClient
		from common.tools.object_factory.Constraint import json_constraint_custom
		from common.tools.object_factory.Context import json_context_id
		from common.tools.object_factory.Device import json_device_id
		from common.tools.object_factory.EndPoint import json_endpoint_id
		from common.tools.object_factory.Service import json_service
		from device.service.driver_api.ImportTopologyEnum import ImportTopologyEnum

		GET_CONTEXT_IDS_URL = '/tfs-api/context_ids'
		GET_DEVICES_URL = '/tfs-api/devices'
		GET_LINKS_URL = '/tfs-api/links'
		CONTEXT_IDS_URL = '/tfs-api/context_ids'
		TOPOLOGY_URL = '/tfs-api/context/{context_uuid:s}/topology_details/{topology_uuid:s}'
		SERVICES_URL = '/tfs-api/context/{context_uuid:s}/services'
		SERVICE_URL = '/tfs-api/context/{context_uuid:s}/service/{service_uuid:s}'

		MAPPING_STATUS = {
		'DEVICEOPERATIONALSTATUS_UNDEFINED': 0,
		@@ -60,7 +68,7 @@ class TfsApiClient(RestClient):
		)

		def check_credentials(self) -> None:
		self.get(GET_CONTEXT_IDS_URL, expected_status_codes={requests.codes['OK']})
		self.get(CONTEXT_IDS_URL)
		LOGGER.info('Credentials checked')

		def get_devices_endpoints(
		@@ -74,10 +82,12 @@ class TfsApiClient(RestClient):
		MSG = 'Unsupported import_topology mode: {:s}'
		raise Exception(MSG.format(str(import_topology)))

		devices = self.get(GET_DEVICES_URL, expected_status_codes={requests.codes['OK']})
		topology = self.get(TOPOLOGY_URL.format(
		context_uuid=DEFAULT_CONTEXT_NAME, topology_uuid=DEFAULT_TOPOLOGY_NAME
		))

		result = list()
		for json_device in devices['devices']:
		for json_device in topology['devices']:
		device_uuid : str = json_device['device_id']['device_uuid']['uuid']
		device_type : str = json_device['device_type']
		#if not device_type.startswith('emu-'): device_type = 'emu-' + device_type
		@@ -110,9 +120,24 @@ class TfsApiClient(RestClient):
		LOGGER.debug('[get_devices_endpoints] devices only; returning')
		return result

		links = self.get(GET_LINKS_URL, expected_status_codes={requests.codes['OK']})
		for json_link in topology['links']:
		link_uuid : str = json_link['link_id']['link_uuid']['uuid']
		link_url = '/links/link[{:s}]'.format(link_uuid)
		link_endpoint_ids = [
		(
		json_endpoint_id['device_id']['device_uuid']['uuid'],
		json_endpoint_id['endpoint_uuid']['uuid'],
		)
		for json_endpoint_id in json_link['link_endpoint_ids']
		]
		link_data = {
		'uuid': json_link['link_id']['link_uuid']['uuid'],
		'name': json_link['name'],
		'endpoints': link_endpoint_ids,
		}
		result.append((link_url, link_data))

		for json_link in links['links']:
		for json_link in topology['optical_links']:
		link_uuid : str = json_link['link_id']['link_uuid']['uuid']
		link_url = '/links/link[{:s}]'.format(link_uuid)
		link_endpoint_ids = [
		@@ -131,3 +156,103 @@ class TfsApiClient(RestClient):

		LOGGER.debug('[get_devices_endpoints] topology; returning')
		return result

		def setup_service(self, resource_value : Dict) -> None:
		service_uuid = resource_value['service_uuid' ]
		service_name = resource_value['service_name' ]
		src_device_uuid = resource_value['src_device_uuid' ]
		src_endpoint_uuid = resource_value['src_endpoint_uuid']
		dst_device_uuid = resource_value['dst_device_uuid' ]
		dst_endpoint_uuid = resource_value['dst_endpoint_uuid']
		bitrate = resource_value['bitrate' ]
		bidir = resource_value['bidir' ]
		ob_width = resource_value['ob_width' ]

		endpoint_ids = [
		json_endpoint_id(json_device_id(src_device_uuid), src_endpoint_uuid),
		json_endpoint_id(json_device_id(dst_device_uuid), dst_endpoint_uuid),
		]
		constraints = [
		json_constraint_custom('bandwidth[gbps]', str(bitrate)),
		json_constraint_custom('bidirectionality', '1' if bidir else '0'),
		]
		if service_name == 'IP1/PORT-xe1==IP2/PORT-xe1':
		constraints.append(json_constraint_custom('optical-band-width[GHz]', str(ob_width)))

		service_add = json_service(
		service_uuid,
		ServiceTypeEnum.Name(ServiceTypeEnum.SERVICETYPE_OPTICAL_CONNECTIVITY),
		context_id = json_context_id(DEFAULT_CONTEXT_NAME),
		name = service_name,
		status = ServiceStatusEnum.Name(ServiceStatusEnum.SERVICESTATUS_PLANNED),
		)
		services_url = SERVICES_URL.format(context_uuid=DEFAULT_CONTEXT_NAME)
		service_ids = self.post(services_url, body=service_add)
		assert len(service_ids) == 1
		service_id = service_ids[0]
		service_uuid = service_id['service_uuid']['uuid']

		service_upd = json_service(
		service_uuid,
		ServiceTypeEnum.SERVICETYPE_OPTICAL_CONNECTIVITY,
		context_id = json_context_id(DEFAULT_CONTEXT_NAME),
		name = service_name, endpoint_ids = endpoint_ids, constraints = constraints,
		status = ServiceStatusEnum.Name(ServiceStatusEnum.SERVICESTATUS_PLANNED),
		)
		service_url = SERVICE_URL.format(context_uuid=DEFAULT_CONTEXT_NAME, service_uuid=service_uuid)
		self.put(service_url, body=service_upd)

		def teardown_service(self, resource_value : Dict) -> None:
		service_uuid = resource_value['service_uuid']
		service_name = resource_value['service_name']

		service_url = SERVICE_URL.format(context_uuid=DEFAULT_CONTEXT_NAME, service_uuid=service_uuid)
		self.delete(service_url)
		if service_name == 'IP1/PORT-xe1==IP2/PORT-xe1':
		self.delete(service_url)

		@staticmethod
		def parse_service(service : Dict) -> Tuple[str, Dict]:
		service_uuid = service['service_id']['service_uuid']['uuid']
		src_endpoint_id = service['service_endpoint_ids'][ 0]
		dst_endpoint_id = service['service_endpoint_ids'][-1]
		parsed_service = {
		'service_uuid' : service_uuid,
		'service_name' : service['name'],
		'src_device_uuid' : src_endpoint_id['device_id']['device_uuid']['uuid'],
		'src_endpoint_uuid': src_endpoint_id['endpoint_uuid']['uuid'],
		'dst_device_uuid' : dst_endpoint_id['device_id']['device_uuid']['uuid'],
		'dst_endpoint_uuid': dst_endpoint_id['endpoint_uuid']['uuid'],
		}

		for constraint in service.get('service_constraints', list()):
		if 'custom' not in constraint: continue
		constraint_type = constraint['custom']['constraint_type']
		constraint_value = constraint['custom']['constraint_value']
		if constraint_type == 'bandwidth[gbps]':
		parsed_service['bitrate'] = int(float(constraint_value))
		if constraint_type == 'bidirectionality':
		parsed_service['bidir'] = int(constraint_value) == 1
		if constraint_type == 'optical-band-width[GHz]':
		parsed_service['ob_width'] = int(constraint_value)

		resource_key = '/services/service[{:s}]'.format(service_uuid)
		return resource_key, parsed_service

		def get_services(self) -> List[Tuple[str, Dict]]:
		services_url = SERVICES_URL.format(context_uuid=DEFAULT_CONTEXT_NAME)
		_services = self.get(services_url)
		OPTICAL_CONNECTIVITY_SERVICE_TYPES = {
		'SERVICETYPE_OPTICAL_CONNECTIVITY',
		ServiceTypeEnum.SERVICETYPE_OPTICAL_CONNECTIVITY
		}
		return [
		TfsApiClient.parse_service(service)
		for service in _services['services']
		if service['service_type'] in OPTICAL_CONNECTIVITY_SERVICE_TYPES
		]

		def get_service(self, service_uuid : str) -> Tuple[str, Dict]:
		service_url = SERVICE_URL.format(context_uuid=DEFAULT_CONTEXT_NAME, service_uuid=service_uuid)
		service = self.get(service_url)
		return TfsApiClient.parse_service(service)

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